Kettlebell



FIG. 1 is a top and right side perspective view of my new kettlebell;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing two barbells and lock pin in FIGS. 2-7 illustrate environmental structure which forms no part of the claimed design. 

The ornamental design for a kettlebell, as shown and described. 